GB1443395A - Electrical capacitors - Google Patents
Electrical capacitorsInfo
- Publication number
- GB1443395A GB1443395A GB1039074A GB1039074A GB1443395A GB 1443395 A GB1443395 A GB 1443395A GB 1039074 A GB1039074 A GB 1039074A GB 1039074 A GB1039074 A GB 1039074A GB 1443395 A GB1443395 A GB 1443395A
- Authority
- GB
- United Kingdom
- Prior art keywords
- extension
- housing wall
- resilient
- flange
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 title abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000011244 liquid electrolyte Substances 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000012858 resilient material Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/08—Housing; Encapsulation
- H01G9/12—Vents or other means allowing expansion
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Safety Valves (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
1443395 Valves SIEMENS AG 8 March 1974 [26 April 1973] 10390/74 Heading F2V A pressure relief valve for a liquid electrolyte or oil-impregnated capacitor comprises a valve orifice 10 in the housing wall 9 leading to the space defined by cylindrical extension 11 of the housing wall, orifice 10 being closed by a resilient annular valve member 13 having an upturned lip portion biased into engagement with the inside wall of extension 11 by a member 1 of resilient material having a body portion 2 with annular flanges 3, 4 at each end, and stem portion 5 with a knob 6 at the end to provide a press fit into aperture 12 in the housing wall, flange 3 having one or more peripheral recesses 7 to allow the lip portion of valve member 13 to be lifted away from the said inside wall of extension 11 on increase of internal pressure to allow gases to escape, flange 4 being sufficiently resilient to provide an adequate escape path.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732321166 DE2321166C3 (en) | 1973-04-26 | pressure relief valve for electrical capacitors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1443395A true GB1443395A (en) | 1976-07-21 |
Family
ID=5879340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1039074A Expired GB1443395A (en) | 1973-04-26 | 1974-03-08 | Electrical capacitors |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3952233A (en) |
| JP (1) | JPS5013872A (en) |
| AT (1) | ATA247674A (en) |
| BE (1) | BE814248A (en) |
| BR (1) | BR7403311D0 (en) |
| FR (1) | FR2227611B1 (en) |
| GB (1) | GB1443395A (en) |
| IT (1) | IT1010054B (en) |
| NL (1) | NL7403106A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4296186A (en) * | 1975-08-22 | 1981-10-20 | Wolf Franz J | Two part pressure relief valve |
| JPH051064Y2 (en) * | 1987-12-08 | 1993-01-12 | ||
| US8760850B2 (en) | 2010-09-09 | 2014-06-24 | Ioxus, Inc. | Methods and apparatus related to a purge valve for a capacitor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1032032A (en) * | 1911-11-06 | 1912-07-09 | Gray Staunton | Valve. |
| NL36232C (en) * | 1932-03-05 | |||
| US2039154A (en) * | 1932-06-10 | 1936-04-28 | Philips Nv | Electrolytic condenser |
| US2012691A (en) * | 1934-03-26 | 1935-08-27 | Solar Mfg Corp | Electrolytic condenser |
| US3411122A (en) * | 1966-01-13 | 1968-11-12 | Ibm | Electrical resistance element and method of fabricating |
| US3463969A (en) * | 1967-07-25 | 1969-08-26 | Aerovox Corp | Pressure vented electrolytic capacitor |
-
1974
- 1974-03-07 NL NL7403106A patent/NL7403106A/xx unknown
- 1974-03-08 GB GB1039074A patent/GB1443395A/en not_active Expired
- 1974-03-25 AT AT247674A patent/ATA247674A/en unknown
- 1974-04-22 US US05/462,667 patent/US3952233A/en not_active Expired - Lifetime
- 1974-04-23 JP JP49045167A patent/JPS5013872A/ja active Pending
- 1974-04-24 IT IT21852/74A patent/IT1010054B/en active
- 1974-04-24 BR BR3311/74A patent/BR7403311D0/en unknown
- 1974-04-25 FR FR7414413A patent/FR2227611B1/fr not_active Expired
- 1974-04-26 BE BE143668A patent/BE814248A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR7403311D0 (en) | 1974-11-19 |
| NL7403106A (en) | 1974-10-29 |
| DE2321166B2 (en) | 1976-08-12 |
| US3952233A (en) | 1976-04-20 |
| ATA247674A (en) | 1976-08-15 |
| FR2227611B1 (en) | 1977-10-21 |
| BE814248A (en) | 1974-08-16 |
| JPS5013872A (en) | 1975-02-13 |
| IT1010054B (en) | 1977-01-10 |
| FR2227611A1 (en) | 1974-11-22 |
| DE2321166A1 (en) | 1974-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |